Granted Patent
Utility
US 4,603,634 · App. 06/789,851
Copper and nickel layered ink metering roller
Inventor:
Thomas A. Fadner
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Oct 21, 1985
Inventor
Thomas A. Fadner
Assignee (at issue)
Rockwell International Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.